Home / 133,012.17-199,521.70-38,238.53

Finding the Fourth Proportional to 133,012.17, 199,521.70 and 38,238.53

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Solution

The fourth proportional to 133,012.17, 199,521.70 and 38,238.53 is: 57,358.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,012.17 : 199,521.70 = 38,238.53 : x
  2. Step 2: Convert to fraction form
    133,012.17/199,521.70 = 38,238.53/x
  3. Step 3: Cross multiply
    133,012.17x = 199,521.70 × 38,238.53
  4. Step 4: Simplify right side
    133,012.17x = 7,629,415,417.90
  5. Step 5: Solve for x
    x = 7,629,415,417.90/133,012.17
  6. Step 6: Final answer
    x = 57,358.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.